baber/WOPTO huggingface dataset:
Patent JP-H03191879-A (JP)
Title: Selecting method for semiconductor laser
Inventor: KONO MASAKI
IPC: H01S5/00
Filed: 1989-12-21
Abstract: PURPOSE:To sort a proper frequency to obtain a high S/N ratio and sort a high frequency to use it for a high bit rate optical communication by measuring the oscillation frequency of a self-modulated current. CONSTITUTION:Since a self-oscillation type semiconductor laser 1 self-modulates an injected DC bias, a spectrum analyzer 3 connected to the driver of the semiconductor laser 1 via a bias tee 2 measures a modulated frequency. Further, the coherence of a front optical output is measured by a Michelson interferometer 4. Thus, a multifunction sorting can be conducted, an oscillation frequency can be properly sorted to satisfy a high S/N ratio in a specific length of an external resonator and can be used for a high transmission capacity optical communication.
Patent JP-2001152541-A (JP)
Title: Repairing method for crack on concre wall and device
Inventor: OKABAYASHI HIDEYA
IPC: E21D11/00
Filed: 1999-11-25
Abstract: PROBLEM TO BE SOLVED: To provide a method and device for coping with a problem that the permanent repair by the injection of cement or an epoxy resin into cracks where the spring water of the natural ground layer flows out through the crack occurring on a concrete wall has been considered infeasible because the injected material flows out or is dissolved by the flowing water by blocking the flowing water for repairing execution. SOLUTION: A core hole 3 is formed at a crack section 2 where a crack is caused by flowing water, and flowing water B is concentrated into the core hole 3. A filler force feed pipe fitted with a bag body 4 at the tip is inserted and installed in the core hole 3, and a filler is force-fed into the bag body 4 in the core hole 3. The bag body 4 is expanded to the full diameter of the core hole 3 to block the flowing water of the core hole 3, the expanded bag body 4 is released from the filler force feed pipe, and the core hole 3 is back- filled and closed.
Patent JP-H03194630-A (JP)
Title: Garbage correction processing system
Inventor: IKURA MASAYUKI
IPC: G06F9/44
Filed: 1989-12-22
Abstract: PURPOSE:To improve the synthetic processing efficiency of a system by considering time spent for garbage correction and the effective efficiency of the object of a processing result and selecting the appropriate processing method of garbage correction. CONSTITUTION:In the case of a prescribed garbage correction processing, a memory control part 3 sequentially moves all the objects belonging to respective levels to a prescribed storage area 5 from the high-order level of list structure to a low-order level as to the effective objects on a storage area 4. When there is the low-order object instructed by a pointer from the moved object, only one low-order object concerned is moved subsequent to the moved object.
Patent JP-H07187558-A (JP)
Title: Rail clamping robot moving device
Inventor: YAMANO KANSHIROU
IPC: B66C1/14
Filed: 1993-12-27
Abstract: PURPOSE:To safely and reliably transfer/remove a rail clamping robot to/from a robot transporting vehicle with a few personnelby attaching hooks to be hooked on the side beam of a rectangular frame on the lower end of suspension belts. CONSTITUTION:A moving device 1 is arranged approximately vertically upward from a rail clamping robot by operating a crane 12. Next, the moving device 1 is pulled up by operating again the crane 12 when all hooks 19 of the moving device 1 are hooked on side beams 8b of the rectangular frame. And, suspension belts 18 to be so arranged as to connect suspension beams 13a to the side beams 8b are arranged along the vertical direction when the suspension beams 13a of a main body frame 13 of the moving device 1 are arranged vertically upward from the side beams 8b of the rectangular frame of a traveling truck 4. As a result, tractive force of the crane 12 is transmitted to the rail clamping robot 2 through the suspension belts 18, and the rail clamping robot 2 is suspended in the vertical direction while maintaining the horizontal state of the rectangular frame.
Patent JP-2000161565-A (JP)
Title: Hose connecting metal and connecting method of hose to connecting metal
Inventor: HORIMOTO AKIRA
IPC: F16L33/20
Filed: 1998-11-25
Abstract: PROBLEM TO BE SOLVED: To provide a hose connecting metal firmly engaging the hose with a connecting metal and providing pressure-proof performance in a hardly expanded jacket by composing the jacket for the hose of aramid fiber having high strength. SOLUTION: A hose connecting metal formed by inserting a hose having a lining layer 7 treated inside a jacket 6 which is woven from a warp and a weft into a cylindrical shape, into a connecting metal body 1 having a hose installation part 2 in its internal circumferential face, enlarging and pressurizing an expansion ring 4 from its inside, and fixing the hose 3 to the connecting metal body 1 is characterized that recess/projection part 5 with an approximately sawtooth-shaped vertical section is provided in the outer circumferential face of the expansion ring 4.
Patent JP-H04202601-A (JP)
Title: Manufacture of al alloy mixed powder and al alloy sintered body
Inventor: MIURA SHIN
IPC: C22C1/05
Filed: 1990-11-30
Abstract: PURPOSE:To manufacture the above Al alloy sintered body excellent in mechanical characteristics and surface properties by mixing pure Al powder and Al alloy powder having specified particle size, mixing this mixed powder with a lubricant or, if required, with the powder of ceramics, subjecting this mixed powder to compacting and thereafter executing sintering. CONSTITUTION:The powder of pure Al having 53 to 105mum average particles size is mixed with the powder of an Al-Si-Mg series or Al-Si-Mg-Cu series alloy having <63mum average particle size, and the ratio of the powder having <=43mum particle size in this mixed powder is regulated to <=3%, in which, as a lubricant, zinc stearate or the like are mixed in the ratio of 0.5 to 2%. Or, according to necessary, the powder of graphite or the powder of ceramics such as hexagonal boron nitride or the like are furthermore mixed in the ratio of 2 to 20vol.%. This mixed powder is compacted under 2 to 8 ton/cm<2> and is thereafter sintered at 500 to 620 deg.C in the atmosphere of an Ar base inert gas.
Patent JP-2001156111-A (JP)
Title: Method of assembling semiconductor device
Inventor: AKIBA TAKAO
IPC: H01L23/12
Filed: 1999-11-25
Abstract: PROBLEM TO BE SOLVED: To solve the problems where the dicing step of separating semiconductor chips from a wafer, a step of die-bonding the chips onto a substrate and a step of separating the substrate having the mounted semiconductor chips, i.e., three steps were needed, and a long die-bonding time was needed since individual semiconductor chips had to be die bonded separately. SOLUTION: Bump electrodes for a plurality of semiconductor chips formed on the wafer are bonded to electrodes formed on the substrate, without separating the semiconductor chips from the wafer, and then it is cut into individual semiconductor chips to execute package assembly. Thus they are connected to the substrate in the wafer state to greatly reduce the mounting process time.
Patent JP-H03196012-A (JP)
Title: Variable focal length lens
Inventor: YAMAZAKI NORIYUKI
IPC: G02B15/16
Filed: 1989-12-26
Abstract: PURPOSE:To sufficiently increase the angle of view at a short focus end by specifying the focal lengths of respective lens groups, the spacing between the 2nd lens group and the 3rd lens group at the short focus end and the focal length of the entire system at the short focus end. CONSTITUTION:The lens which is changed in the focal length from the short to the long focus by the movement of the 2nd lens group on the optical axis from the 1st lens group toward the 3rd lens group in the state of maintaining the specified distance between the 1st lens group and the 3rd lens group and is focused by the movement of the entire part is formed to satisfy the conditions of equation I to equation IV. In the equations I to IV, f1 to f3 denote the focal lengths of the 1st to 3rd lens groups; f23(w) denotes the spacing between the 2nd lens group and the 3rd lens group at the short focus end; fw denotes the focal length of the entire system at the short focus end. The angle of view at the short focus end is sufficiently increased in this way and the projection to a desired size even at the sizes of general rooms is possible.
Patent JP-H08172652-A (JP)
Title: Key telephone system
Inventor: KOJIMA TOSHIYUKI
IPC: H04M3/42
Filed: 1994-12-20
Abstract: PURPOSE: To allow a telephone set to manage attending and leaving of persons by allowing a key telephone system comprising plural pushbutton telephone sets and a master set connecting to a trunk line to read in personal information offered by an ID card or the like. CONSTITUTION: In this key telephone system 1 comprising plural key telephone sets 2 and a master set 9 connected to plural trunk lines, an attending and leaving management section 15 reads an ID card from each key telephone set 2 via an attending and leaving data transmission section 14A of a control section 14 of the master set 9 to allow the telephone set 2 to manage attending and leaving of each person. The function of the telephone set 2 is controlled based on the data.
Patent JP-H01177936-A (JP)
Title: Device for pressure cotter in
Inventor: YASUGI TATEO
IPC: B23P19/04
Filed: 1987-12-28
Abstract: PURPOSE:To assemble a cotter and a retainer positively with a valve stem by applying desired air pressure selectively onto a guide shaft and a cotter pressing cylinder, letting the cotter pressing cylinder face a press-in punch, and thereby constituting the guide shaft to be projected out of the pressing cylinder. CONSTITUTION:A guide shaft 50 and a cotter pressing cylinder 49 are constituted to be selectively pressed in by desired air pressure from a pressurizing means, energizing force acting on the guide shaft 50 and the cotter pressing cylinder 49 can thereby be finely and accurately regulated. Hence, energizing force to the guiding shaft 50 and the cotter pressing cylinder 49 can be maintained to be constant at all time even when they are in service for a long time, and the guiding shaft 50 and the cotter pressing cylinder 49 will never be erroneously operated, a cotter 6 and a retainer 7 can thereby be positively assembled with a valve stem 4b so that yield can be substantially improved. In addition, a press-in punch is structurally simple and can be manufactured with ease, cost can thereby be reduced.
Patent JP-H09178261-A (JP)
Title: Ceiling buried type air-conditioner
Inventor: NAKAJIMA HIROYUKI
IPC: F24F13/22
Filed: 1995-12-22
Abstract: PROBLEM TO BE SOLVED: To promote reduction of a cost and to improve assembly workability by reduce the number of part items in such a way that an air filter frame forms a multifunctional structure. SOLUTION: A heat-exchanger 4 and a fan 2 are contained in a casing 1 and an air filter 11 is arranged in a position above a suction port 5, situated at the central part of the under surface of the casing 1, in such a state that the peripheral edge of the suction port is held at an air filter frame 9 fixed at the lower end part of the casing 1 and a drain pan 7 is arranged on the upper surface side of the air filter frame 9. In this case, a09 positioning part horizontally engaged with the drain pan 7 and regulating horizontal movement of the drain pan 7 is arranged at the air filter frame 9 and the drain pan 7 is held in such a state to be vertically nipped between the air filter 9 and the heat-exchanger 4.  By providing the air filter frame 9 with a function to position the drain pan 7 and a function to hold it, a need to arrange a positioning member and holding member for a drain pan 7 use only is eliminated.
Patent JP-H02196825-A (JP)
Title: Perfluoroglycidyl ether polymer
Inventor: ARISHIA PANGANIBAN KINGU
IPC: C07D303/08
Filed: 1989-12-26
Abstract: PURPOSE: To obtain a perfluoroglycidyl ether polymer which is prepared by polymerizing a new perfluoroglycidyl ether and is useful as a stable oil or a grease or a stable elastomer material useful as a sealant, a filler or a molding materiel.  
     CONSTITUTION: This polymer is a homopolymer prepared by polymerizing a perfluoroglycidyl ether represented by formula I [wherein RF is a group represented by formula II, -CF(R 2 ) 2  (wherein R 1  is a C-C bond or a linear 1-12C perfluoroalkylene; Q is -SO 2 F, -COF or the like; Y and Y' are each -F or -CF 3 , provided that they can not be CF 3  groups simultaneously; R 2  is -CF 2 Cl, -CF 3 CN or the like) or the like]. The compound represented by formula I is a new material and is obtained by for example reacting a perfluoroallyl ether represented by the formula: CF 2 =CFCF 2 ORF with oxygen. 
     COPYRIGHT: (C)1990,JPO
Patent JP-H03198662-A (JP)
Title: Power supply device
Inventor: KIDO HIROSHI
IPC: H02M7/48
Filed: 1989-12-25
Abstract: PURPOSE:To reduce the relative harmonic content of an input current by inputting the output voltage of a smoothing circuit for charging a DC voltage in a capacitor to an inverter circuit, and outputting a high frequency voltage. CONSTITUTION:An inverter circuit 3 discharges part of electromagnetic energy stored in an inductance element L1 substantially proportional to the momentary voltage value of a commercial power supply AC when a transistor Q2 is turned ON and through the secondary winding n2 of an inductance element L2 and a control terminal (base) of a transistor Q1 when the transistor Q2 is turned OFF to a smoothing capacitor C1. Accordingly, a switching frequency is lowered during a period when the momentary voltage value of the power supply AC is high as compared with a period when it is low, and the input current of the power supply AC approaches a sine wave. Thus, the relative harmonic content of the input current can be reduced.
Patent JP-H01174456-A (JP)
Title: Color ink jet recorder
Inventor: FUKUI HIROSHI
IPC: B41J2/07
Filed: 1987-12-29
Abstract: PURPOSE:To conduct recording according to the recording liquid absorbing capacity characteristics of a recording medium to obtain a high-quality and high-grade image at high speed even on a paper other than specified, by a method wherein a thinned-out output is controlled so that a thinned-out recording is conducted according to the information for identifying whether the recording medium is a specified paper or not. CONSTITUTION:According to an identification signal, designating whether a recording medium is a specified paper or not, from an information generating means (a) made of a dip switch, a panel switch, or a detection switch, a thinned- out output control means (b) thins out predetermined dots from a dot matrix made of pixels of input image information R, G, B and outputs the thinned-out dot information Bk, Y, M, C to recording heads (c), respectively. While the travel of a carriage is controlled through a carriage motor drive circuit D, a multi-color image recording is conducted on the recording medium with a thinning-out pattern. In this manner, a recording according to the recording liquid (ink) absorbing capacity characteristics of the recording medium is carried out and, thereby, a high-quality and high-grade image can be obtained at high speed even on a paper other than specified.
Patent JP-H04199558-A (JP)
Title: Lead frame
Inventor: CHIMURA HIDEHIKO
IPC: H01L23/50
Filed: 1990-11-28
Abstract: PURPOSE:To keep surplus solder in the indent of a suspension lead without flowing extensively to the outer part of the suspension lead when soldering a chip and a die-pad by providing an indent and a protrusion all over the lead width of the suspension lead. CONSTITUTION:This is equipped with a chip 1, a die-pad 2 on which to mount the chip 1, a suspension lead 3 of a lead frame, and an indent 4 and a protrusion 5 on the suspension lead 3. As a result, even if the remainder of the solder for bonding the chip 1 with the die-pad 2 goes along the suspension lead 3 of the lead frame and enters the indent 4 made at the suspension lead 3 and fills up the indent 4, the solder stops at the protrusion 5. Hereby, the extensive flow to the suspension lead of the surplus solder, which comes out when the chip and the die-pad are soldered, can be stopped.
Patent JP-2000157678-A (JP)
Title: Game machine
Inventor: TAKEMOTO TAKATOSHI
IPC: A63F7/02
Filed: 1998-11-26
Abstract: PROBLEM TO BE SOLVED: To make the display more amusing by a variable display unit, to give a player visual pleasure and to contribute to the increase of sales in a game parlor. SOLUTION: When all the graphic figures stopped on the display columns are agreed with one another as a result of a figure variation game in a variable display part 31 of a variable display unit 30, a graphic corresponding to this figure is displayed on an item display part 32 as an item by six pieces in maximum. When three items of the same graphic are completed in the item display part 32, a variable winning device 50 is opened and closed 16 times in maximum to generate a special prize.
Patent JP-2001157375-A (JP)
Title: Device and method of controlling battery charge
Inventor: OIDE TAKAHIRO
IPC: H02J7/02
Filed: 1999-11-26
Abstract: PROBLEM TO BE SOLVED: To charge a secondary battery by automatically shifting the temperature of the battery within a range where the battery can be charged even if it is under an environment out of the range where the battery can be charged when the secondary battery provided on a power supply part of an electronic device such as an ink-jet recording device. SOLUTION: This device comprises a temperature detecting element 305 for detecting the internal temperature of the secondary battery 203, and a temperature control element 306 for controlling the temperature of the second battery 203. When the indication of charging the secondary battery 203 is transferred from an MPU 102 where the secondary battery 203 is disposed, the temperature of the second battery 203 is detected by the temperature detecting element 305. When the temperature is out of the range where the prescribed charging can be started, the temperature of the secondary battery 203 is shifted within the range where the charging can be started by the temperature control element 306 for charging.
Patent JP-H02180316-A (JP)
Title: Universal joint
Inventor: ICHIKAWA MITSUO
IPC: F16D3/38
Filed: 1988-12-29
Abstract: PURPOSE:To move a universal joint with a light power and lessen the loss of motive power, by providing a plurality of needle rollers between the outer perimeter surface of the end portion of a cross shaft and the inner perimeter surface of a bearing cup, and providing a retainer between the end surface of the cross shaft and the interior surface of each bearing cup. CONSTITUTION:A cross shaft 9 which joins both the 1st and 2nd yorks 7, 8 themselves that fix a bearing cup 11, is constituted with the 1st shaft portion 18 and the 2nd shaft portion 19 which meet at right angles with each other at their respective center portions. A plurality of needle rollers 12 are provided between the outer perimeter surface of the end portion of the cross shaft 9 and the inner perimeter surface of the bearing cup 11. A retainer 23 is rotatably provided between both end surfaces of the 1st and 2nd both shaft portions 18, 19 constituting the cross shaft 9 and the interior surface of each bearing cup 11. Thus, a universal joint can be moved with a light power and the loss of motive power can be made very small.
Patent JP-H11176819-A (JP)
Title: Monitoring method and equipment for raw material of cvd solution for forming thin film having high dielectric constant
Inventor: KAWAHARA TAKAAKI
IPC: C23C16/52
Filed: 1997-12-05
Abstract: PROBLEM TO BE SOLVED: To easily confirm the presence or absence of anomaly or deterioration in the concentration of raw materials of CVD solution by performing a spectral analysis of the raw material for CVD solution which is obtained by dissolving dipivaloylmethane-based organic metal compound used as the raw material for chemical vapor phase deposition into an organic solvent. SOLUTION: A UV-VIS (ultrasonic, visual) light source 1 and a detector 2 are provided at both sides of a light cell 4 as a reference, and also a UV-VIS light source 1 and a detector 2 are provided at both sides of a liquid cell 4 as a sample, and the liquid cell 4 for sample is filled with the raw material of a CVD solution made by dissolving a dipivaloylmethane-based organic metal compound sealed and used in a tank for raw material for CVD solution. And ultraviolet and visible light from the UV-VIS light source 1 is permeated through the raw material of the CVD solution in the liquid cell for sample and then the spectral analysis is performed. By doing this, the presence or absence of any anomaly or deterioration in the concentration of the raw material of CVD solution can be quickly confirmed.
Patent JP-H07185690-A (JP)
Title: Caulking method
Inventor: MORITA HIDEO
IPC: B21D35/00
Filed: 1993-12-28
Abstract: PURPOSE:To shorten the process, to miniaturize the die and to display the effect of the mass-producing die by executing processor for punching many pieces from a hoop material inserting them into another hoop and caulking them in the same process. CONSTITUTION:A material holder 2 is made into a state in close contact with a caulking hoop material 3, next, the caulking hoop material 3 is made into a state in close contact with a cutting die 4. Further, another hoop material 5 is brought into close contact with the upper surface of a caulking die 6. Next, a projecting pin 7 is lowered to a prescribed height, the caulking hoop material 3 is cut by a cutting caulking punch 1, and caulked by the cutting caulking punch 1. After passing this process, cutting the caulking hoop material 3, inserting it into another hoop material 5 and caulking are executed, and shaping of the caulking appearance is executed in the next process.
Patent JP-2000228043-A (JP)
Title: Information recording medium, its recording/reproducing method and device
Inventor: AWANO HIROYUKI
IPC: G11B11/105
Filed: 1999-11-26
Abstract: PROBLEM TO BE SOLVED: To provide a reproducing method capable of performing reproducing with a wide reproducing margin, a reproducing device, and a recording method and a recorder suited to high density recording. SOLUTION: A recorder/player 101 is mainly provided with a magnetic field applying device, a laser light irradiation section and a signal processing system. A magnetic coil 29 provided in the magnetic field applying device is arranged such that its magnetic field generation axis 102 is inclined with respect to the surface of an information recording medium 100. The laser irradiation section irradiates the medium 100 with a reproducing light, and a reproducing magnetic field is applied to the surface of the information recording medium 100 from an oblique direction by using the magnetic coil 29. Thus, the leakage magnetic field of a in-surface direction from the recording magnetic zone of a recording layer is amplified to facilitate the reverse magnetization of the reproducing layer, and a reproducing power margin is widened.  The recorder/player 101 is capable of recording information, and forming a very small recording magnetic zone in the recording layer of the information recording medium.